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---
title: border-bottom-style
slug: Web/CSS/border-bottom-style
translation_of: Web/CSS/border-bottom-style
---
<div>{{CSSRef}}</div>
<p>The <strong><code>border-bottom-style</code></strong> <a href="/en/CSS" title="CSS">CSS</a> property sets the line style of an element's bottom {{cssxref("border")}}.</p>
<pre class="brush:css no-line-numbers">/* Keyword values */
border-bottom-style: none;
border-bottom-style: hidden;
border-bottom-style: dotted;
border-bottom-style: dashed;
border-bottom-style: solid;
border-bottom-style: double;
border-bottom-style: groove;
border-bottom-style: ridge;
border-bottom-style: inset;
border-bottom-style: outset;
/* Global values */
border-bottom-style: inherit;
border-bottom-style: initial;
border-bottom-style: unset;
</pre>
<div class="note"><strong>Note:</strong> The specification doesn't define how borders of different styles connect in the corners.</div>
<p>{{cssinfo}}</p>
<h2 id="Syntax" name="Syntax">Syntax</h2>
<p>The <code>border-bottom-style</code> property is specified as a single keyword chosen from those available for the {{cssxref("border-style")}} property.</p>
<h3 id="Formal_syntax">Formal syntax</h3>
<pre class="syntaxbox">{{csssyntax}}</pre>
<h2 id="Examples" name="Examples">Examples</h2>
<p>这是一种可显示border-bottom-style所有属性的标签。</p>
<h4 id="HTML">HTML</h4>
<pre class="brush: html"><table>
<tr>
<td class="b1">none</td>
<td class="b2">hidden</td>
<td class="b3">dotted</td>
<td class="b4">dashed</td>
</tr>
<tr>
<td class="b5">solid</td>
<td class="b6">double</td>
<td class="b7">groove</td>
<td class="b8">ridge</td>
</tr>
<tr>
<td class="b9">inset</td>
<td class="b10">outset</td>
</tr>
</table></pre>
<h4 id="CSS">CSS</h4>
<pre class="brush: css">/* Define look of the table */
table {
border-width: 3px;
background-color: #52E385;
}
tr, td {
padding: 3px;
}
/* border-bottom-style example classes */
.b1 {border-bottom-style: none;}
.b2 {border-bottom-style: hidden;}
.b3 {border-bottom-style: dotted;}
.b4 {border-bottom-style: dashed;}
.b5 {border-bottom-style: solid;}
.b6 {border-bottom-style: double;}
.b7 {border-bottom-style: groove;}
.b8 {border-bottom-style: ridge;}
.b9 {border-bottom-style: inset;}
.b10 {border-bottom-style: outset;}</pre>
<h4 id="Result">Result</h4>
<p>{{ EmbedLiveSample('Examples', 300, 200) }}</p>
<h2 id="Specifications" name="Specifications">Specifications</h2>
<table class="standard-table">
<thead>
<tr>
<th scope="col">Specification</th>
<th scope="col">Status</th>
<th scope="col">Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>{{ SpecName('CSS3 Backgrounds', '#border-bottom-style', 'border-bottom-style') }}</td>
<td>{{ Spec2('CSS3 Backgrounds') }}</td>
<td>No significant change.</td>
</tr>
<tr>
<td>{{ SpecName('CSS2.1', 'box.html#border-style-properties', 'border-bottom-style') }}</td>
<td>{{ Spec2('CSS2.1') }}</td>
<td>Initial definition.</td>
</tr>
</tbody>
</table>
<h2 id="Browser_Compatibility" name="Browser_Compatibility">Browser compatibility</h2>
<p>{{ CompatibilityTable() }}</p>
<div id="compat-desktop">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Chrome</th>
<th>Edge</th>
<th>Firefox (Gecko)</th>
<th>Internet Explorer</th>
<th>Opera</th>
<th>Safari</th>
</tr>
<tr>
<td>Basic support</td>
<td>1.0</td>
<td>{{CompatVersionUnknown}}</td>
<td>1.0<sup>[1]</sup></td>
<td>5.5</td>
<td>9.2</td>
<td>1.0</td>
</tr>
</tbody>
</table>
</div>
<div id="compat-mobile">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Android</th>
<th>Edge</th>
<th>Firefox Mobile (Gecko)</th>
<th>IE Phone</th>
<th>Opera Mobile</th>
<th>Safari Mobile</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{ CompatVersionUnknown() }}</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{ CompatVersionUnknown() }}<sup>[1]</sup></td>
<td>7.0</td>
<td>{{ CompatVersionUnknown() }}</td>
<td>{{ CompatVersionUnknown() }}</td>
</tr>
</tbody>
</table>
</div>
<p>[1] Prior to Firefox 50, border styles of rounded corners (with {{cssxref("border-radius")}}) were always rendered as if <code>border-bottom-style</code> was&nb<code>solid</code>. This has been fixed in Firefox 50.</p>
<h2 id="See_Also" name="See_Also">See also</h2>
<ul>
<li>The other style-related border properties: {{ Cssxref("border-left-style") }}, {{ Cssxref("border-right-style") }}, {{ Cssxref("border-top-style") }}, and {{ Cssxref("border-style") }}.</li>
<li>The other bottom-border-related properties: {{ Cssxref("border-bottom") }}, {{ Cssxref("border-bottom-color") }}, and {{ Cssxref("border-bottom-width") }}.</li>
</ul>
|
